Cyber Security Jobs

Matchtech · London · £580 pd

Hands-on penetration testing and vulnerability assessments across infrastructure, networks and applications, producing technical reports and remediation recommendations. Works with technical and project teams on risk assessments and security assurance, aligning testing with industry standards. Short-term contract, fully remote, inside IR35.

Amazon · London

Builds and operates large-scale distributed systems that process security-relevant data with high availability and low latency, owning services end to end including architecture, deployment, monitoring and on-call. Works with very large datasets and cross-functional security, compliance and service teams, contributing to technical direction and mentoring engineers.

Amazon · London

Builds AI/ML-driven security automation systems that detect, analyse and respond to threats at Amazon scale, integrating automated detection into the company's security infrastructure. Works alongside security engineers and scientists on proactive, offensive and defensive tooling, researching and prototyping new approaches. Distinct for its focus on autonomous security across one of the world's largest tech ecosystems.

JAM Recruitment · London · £700 – £750 pd

Day-to-day, you will manage and configure production databases, provide first to third-line support across full-stack applications, and administer Linux and Windows virtual machines with a focus on vulnerability management and hardening. The role also involves automation with Ansible, Docker containerisation, ETL processes and shared services such as identity brokers and observability platforms, within a national-security context requiring DV clearance.

Carbon 60 · Stevenage · £70 – £75 ph

Day-to-day BAU support, administration and configuration management across Windows infrastructure and workplace environments, including patching, change implementation and asset documentation. Acts as Tier 2/Tier 3 escalation for complex Windows issues, handling incident response, root cause analysis, monitoring, backups and security compliance. Requires active DV clearance and 100% onsite work in a highly secure, restricted environment.

TRIA · Sheffield · £500 – £600 pd

Lead the response to high-severity IT incidents across network, infrastructure, cloud and security environments, coordinating technical teams, suppliers and stakeholders to restore services within agreed targets. The role involves chairing incident and crisis calls, post-incident reviews, root cause analysis, ITIL processes, disaster recovery and business continuity planning, plus executive reporting and on-call duties.

DCV Technologies · Royal Leamington Spa · £550 – £650 pd

Hands-on contract role owning the end-to-end detection engineering lifecycle, translating threat intelligence, hunting findings and adversary techniques into effective detection rules. Builds behavioural analytics and detection content across endpoint, identity, cloud, network and email telemetry using KQL, SPL, Sigma, Python and PowerShell, with tuning, purple teaming and Detection-as-Code work alongside SOC, IR and Red Team specialists.

NCC Group · Remote

Designs, builds and maintains security automations that detect, investigate and respond to cyber threats, working closely with Incident Response to identify improvements and create new playbooks. Delivers scalable automation within the Splunk ecosystem, covering advanced analytics, scripting, new use cases, validation of automation behaviour and documentation, plus mentoring junior engineers.

TXP · United Kingdom · £440 – £490 pd

Monitor, investigate and respond to cyber security incidents within a Microsoft security environment, using Microsoft Sentinel and the Defender suite. The role covers alert triage, threat hunting, log and telemetry analysis, and creating and tuning Sentinel analytics rules, workbooks and detection use cases. You will also support incident response containment and recovery, produce reports, and work with infrastructure, cloud and application teams to improve SOC processes and detection engineering.

RiverSafe · London

Client-facing consulting role leading end-to-end security engagements across security architecture, cloud security, DevSecOps, application security and security operations. You'll run workshops, design controls in AWS/Azure/GCP, produce risk-based deliverables and help identify follow-on work, contributing to proposals and account growth.

Experis · London · £450 – £455 pd

Hands-on SOC and incident response role monitoring, triaging and investigating cyber security threats across macOS endpoints, Linux cloud workloads, microservices and containerised platforms. You will contain and remediate incidents, document findings and evidence, and contribute to detection rules and response playbooks while working closely with security and engineering teams.

Entrust · London

Owns a core area of the document verification platform, setting strategy and roadmap for identity document checks used in onboarding and account opening. Works with Engineering, AI/ML, Data Science, Design, Growth and Compliance to improve verification accuracy, conversion, operational efficiency and fraud prevention, using experimentation and analytics to prioritise investments.

Entrust · Cambridge

Leads the design and delivery of complex features in a cryptographic security product, working hands-on across embedded software, platform components, client tools and APIs. Sets technical direction, mentors engineers and supports system-level architecture decisions on availability, latency and data models. Hybrid role in Cambridge, three days onsite.

Humanoid · London

Lead product cybersecurity assurance across the HMND 01 humanoid robot platforms, defining security requirements, threat modelling and risk artefacts for safety-critical electromechanical systems. Own TARA, security management plans and remediation actions, drive compliance with IEC 62443, the EU Machinery Regulation and the Cyber Resilience Act, and build a PSIRT process while guiding a cross-functional security team.

Adecco · London · £473 – £800 pd

Senior role driving first-line cyber risk management and regulatory compliance across EMEA, coordinating responses to DORA and EBA requirements and translating them into actionable controls. Involves enhancing the Cyber GRC framework, managing risk registers and policy exceptions, and producing monthly metrics and KRIs for senior stakeholders. Acts as the Cyber GRC contact across the region, communicating complex regulatory matters in business language.